陳紀希

1. score=input("請輸入你的成績: ")
   
2. score=float(score)
   
3. if(score>=90 and score<=100):
   
4.     print("優等")
   
5. elif(score>=80 and score<90):
   
6.     print("甲等")
   
7. elif(score>=70 and score<80):
   
8.     print("乙等")   
   
9. elif(score>=60 and score<70):
   
10.     print("丙等")
    
11. elif(score>=0 and score<60):
    
12.     print("不及格~")
    
13. else:
    
14.     print("輸入錯誤")

複製代碼